import com.ItcastHealthApplication;
import com.itheima.mapper.CheckGroupMapper;
import com.itheima.mapper.IdGroupMapper;
import com.itheima.pojo.IdGroup;
import org.junit.jupiter.api.Test;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;

import java.util.List;

@SpringBootTest(classes = ItcastHealthApplication.class)
public class demo {
    @Autowired
    private CheckGroupMapper checkGroupMapper;

    @Autowired
    private IdGroupMapper idGroupMapper;

    @Test
    public void tets1() {
        String a = "12345";
        a = a + "568";
    }
}
